- kwH=Power In [kW]
- kwC=Power DHW [kW]
- wH=DH Total Input [kW]
- fH=DH Total Flow [l%2Fmin]
- c=seconds
- st=state
- fC=Flow Tapping [l%2Fmin]
- tCo=Temperature Tapping [C]
- tH=DH Flow Temperature [C]
- tHoCH=DH Return Temperature CH [C]
- xDHW=Stepper Motor Position for DHW
- stat=CH Thermostat
- dpH=DH pressure%2C estimated [bar]
- fHDHW=DH Flow%2C DHW [l%2Fmin]
- eT=Temperature Error [C]
- TTdhw=Setpoint[C]
- eS=ErrorStatus
- tHo=DH Return temperature [C]
- tCHo=Central Heating temperature [C]
- pCH=Central Heating pressure [bar]
- pump=Pump Run
- xCH=Stepper Motor Position for CH [0 - 270]
- fHCH=DH Flow%2C CH [l%2Fmin]
- vC=total liter tapped
- cC=tap counter
- cSt=time in current state [seconds]
- cEr=error counter
- e1=TEMPERATURESENSORS
- e2=FLOWSENSOR
- e3=PRIMARYCONTROL
- e4=DISTRICTHEATING
- e5=CH RETURN TEMP
- e6=DHW TEMP
- e7=DH TEMP
- e8=DHRETURN TEMP
- e9=CENTRAL HEATING
- e10=WARMUP_TIMER
- e11=CH TEMP WARNING
- e12=CH TEMP ERROR
- V= Firmware Version
- DHW= DHW Setpoint [C]
- WB= Warmup Boost [l%2Fmin]
- ECO= Heat Exchanger Comfort Mode
- PM= Pressure Mode
- PS= Pressure [bar]
- cUP= Counter PowerUps *Counter_Errors= *CPU= CPU Serial Nnumber
- CHRL= DH Return Limit [C]
- CHL= Central heating supply limit [C]
- PTM= Pump Timeout [seconds]
- CHPM= CH Protection Mode
- ECOD= Eco Keep-Warm Duration [minutes]
- ECOT= Eco Keep-Warm Temperature [C]
- LEG= Legionella Function
Node-HIU controls and monitoring documentation
IHIU Node-HIU Standard Variables
Converted from the Heatweb wiki article “IHIU Node-HIU Standard Variables”, last edited 2017-11-29. Under review for the new site.
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